VAIBHAV K2JI11CV054

8 SIMPLE CURVE

PROBLEM Determine the ordinates at 5m interval for 180m Radius of the simple circular curve for Long Chord of 60m length.

SOLUTIONDATA

Interval = 5 mRadius = R 180 m

Length of Long chord= L 60 m

FORMULA

TABULATION

Distnce 'X' from Ordinatemid point of Y (m)

Long Chord (m)-30 0.000-25 0.773-20 1.403-15 1.892-10 2.240-5 2.4480 2.5185 2.448

10 2.24015 1.89220 1.40325 0.77330 0.000

Y=(R2-X2)1/2-(R2-(L/2)2)1/2

GRAPH

-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 300.0

0.5

1.0

1.5

2.0

2.5

3.0

CURVE BY OFFSET FROM LONG CHORD

DISTANCE (in m)

OFF

SET

(in m

)